@startuml

state "Disable autoselect MBN" as DautoMBN
DautoMBN:AT+QMBNCFG="autoselect",0

state "List MBN" as ListMBN
ListMBN:AT+QMBNCFG="list"

state "Select ROW MBN" as SelectROWMBN
SelectROWMBN:AT+QMBNCFG="deactivate"
SelectROWMBN:AT+QMBNCFG="select","ROW_Generic_3GPP"

state "Reboot modem" as Reboot
Reboot: AT+CFUN=1,1 via SoftReset
Reboot: Init modem, MBN auto-setup IMS APN

state "IMS"  as IMS
IMS: AT+QCFG="ims",1
IMS: AT+QNVFR="/nv/item_files/ims/IMS_enable"

state "Set PS as preferred" as SetPS
SetPS:Set Packets Switching as preferred method for voice and SMS
SetPS:AT+QNVFR="/nv/item_files/modem/mmode/voice_domain_pref"
SetPS:AT+QNVFR="/nv/item_files/modem/mmode/sms_domain_pref"

SetPS --> DautoMBN
DautoMBN -->  ListMBN 
ListMBN --> SelectROWMBN: Generic MBN not selected
ListMBN --> IMS: If correct MBN is selected


SelectROWMBN --> IMS
IMS --> Reboot: Only if select new MBN



@enduml